French Open results on Friday, the 13th day of the 2021 tournament at Roland Garros (x denotes seeding): Men Semi-finals Novak Djokovic (SRB x1) bt Rafael Nadal (ESP x3) 3-6, 6-3, 7-6 (7/4), 6-2 Stefanos Tsitsipas (GRE x5) bt Alexander Zverev (GER x6) 6-3, 6-3, 4-6, 4-6, 6-3 afp